The hex color #507AC2 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#AF853D. The grayscale version is
#848484. A 20% lighter version of the original color is
#83ADF5, and Hex
#1D478F is the 20% darker color. If the color is saturated by 10%, you get
#4B79C8. If the color is desaturated by 10%, the color
#557BBC is obtained.